$dest = "C:\Tools\chdman\mame_latest.zip" Invoke-WebRequest $asset.browser_download_url -OutFile $dest
| Task | Command (Windows) | |------|--------------------| | from a raw image | chdman createcd -i game.iso -o game.chd | | Extract a CHD back to its original format | chdman extractcd -i game.chd -o extracted.iso | | Convert a CHD from one compression level to another | chdman compress -i game.chd -o game_new.chd -l 9 | | Verify the integrity of a CHD file | chdman verify -i game.chd | chdman.exe download
– A Complete Guide Published: April 2026 1. What Is chdman.exe ? chdman.exe is a command‑line utility that ships with the MAME (Multiple Arcade Machine Emulator) project. Its primary purpose is to create, extract, convert, and verify CHD (Compressed Hunks of Data) files – the archive format MAME uses to store large ROM sets, hard‑disk images, and other binary data. $dest = "C:\Tools\chdman\mame_latest
Typical use‑cases include:
if ($expected -eq $actual) Write-Host "✅ File integrity verified." else Write-Host "⚠️ Hash mismatch! Do NOT use this file." Its primary purpose is to create, extract, convert,